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1. WO2000042950 - FLEXIBLE HEART VALVE

Publication Number WO/2000/042950
Publication Date 27.07.2000
International Application No. PCT/US2000/001855
International Filing Date 26.01.2000
Chapter 2 Demand Filed 21.08.2000
IPC
A61F 2/24 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02Prostheses implantable into the body
24Heart valves
CPC
A61F 2/2412
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02Prostheses implantable into the body
24Heart valves ; ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices
2412with soft flexible valve members, e.g. tissue valves shaped like natural valves
A61F 2/2418
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02Prostheses implantable into the body
24Heart valves ; ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices
2412with soft flexible valve members, e.g. tissue valves shaped like natural valves
2418Scaffolds therefor, e.g. support stents
A61F 2/2427
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02Prostheses implantable into the body
24Heart valves ; ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices
2427Devices for manipulating or deploying heart valves during implantation
A61F 2220/005
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2220Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
0025Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
005using adhesives
A61F 2220/0066
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2220Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
0025Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
0066stapled
A61F 2230/0013
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2230Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
0002Two-dimensional shapes, e.g. cross-sections
0004Rounded shapes, e.g. with rounded corners
0013Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped
Applicants
  • EDWARDS LIFESCIENCES CORPORATION [US/US]; One Edwards Way Irvine, CA 92614, US
Inventors
  • CARPENTIER, Alain, F.; FR
  • SCHRECK, Stefan, G.; US
  • RHEE, Richard, S.; US
  • NGUYEN-THIEN-NHON, Diana; US
  • LAM, Hung, LY; US
  • RECKTENWALD, William; US
Agents
  • FARACI, C., Joseph; Edwards Lifesciences LLC One Edwards Way Irvine, CA 92614, US
  • COLIN bAKER; Eric Potter Clarkson Park View House 58 The Ropewalk Nottingham NG1 5DD, GB
Priority Data
09/332,75914.06.1999US
60/117,44526.01.1999US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) FLEXIBLE HEART VALVE
(FR) VALVULE CARDIAQUE SOUPLE
Abstract
(EN)
A highly flexible tissue-type heart valve is disclosed having a structural stent in a generally cylindrical configuration with cusps and commissures that are permitted to move radially. The stent commissures are constructed so that the cusps are pivotably or flexibly coupled together at the commissures to permit relative movement therebetween. The stent may be cloth-covered and may be a single element or may be made in three separate elements for a three cusp valve, each element having a cusp portion and two commissure portions; adjacent commissure portions for each pair of adjacent stent element combining to form the stent commissures. If the stent has separate elements their commissure portions may be pivotably or flexibly coupled, or may be designed to completely separate into independent leaflets at bioresorbable couples. The cloth covering may have an outwardly projecting flap that mates with valve leaflets (e.g., pericardial leaflets) along the cusps and commissures. A connecting band may be provided that follows the cusps and commissures and extends outwardly. The valve is connected to the natural tissue along the undulating connecting band using conventional techniques, such as sutures. The connecting band may be a cloth-covered silicon member and attaches to the underside of the valve at the cusps to provide support to the stent and to the outer side of the valve at the commissures. A multi-legged holder is used to implant the valve, with the legs serving to maintain an implant shape to the valve. The holder may have six legs with one releasably connected to each cusp and one releasably connected to each commissure. A method of implantation of the flexible valve using the holder is also disclosed.
(FR)
L'invention concerne une valvule cardiaque faite dans un tissu de type extrêmement souple et comportant un extenseur structurel ayant une forme généralement cylindrique, avec des valves et des commissures pouvant se déplacer radialement. La construction des commissures de l'extenseur permet de coupler les valves aux commissures de façon à ce qu'elles puissent bouger entre ces dernières. L'extenseur peut être recouvert d'un tissu et se présenter comme un élément unique ou comme trois éléments séparés pour former une valvule à trois valves, chaque élément comportant une partie valve et deux parties commissure; les parties commissure adjacentes pour chaque paire d'extenseurs adjacents se combinent pour former des commissures d'extenseur. Si l'extenseur possède des éléments séparés, leurs parties commissure peuvent être couplées par pivot ou de manière souple ou conçues pour se séparer complètement en des feuillets indépendants au niveau des couplages biorésorbables. La couverture en tissu peut posséder un volet faisant saillie vers l'extérieur qui s'accouple avec les feuillets de valve (c'est-à-dire avec les feuillets du péricarde) tout le long des valves et commissures. On peut également placer une bande de connexion qui suit les valves et commissures et s'étend vers l'extérieur. On relie la valve au tissu naturel le long de la bande de connexion ondulante au moyen de techniques traditionnelles telles que les sutures. La bande de connexion, qui peut être un élément en silicone, se fixe à la partie inférieure de la valvule au niveau des valves pour servir de support à l'extenseur et à la partie externe de la valvule aux commissures. On utilise un support à bras multiples pour implanter la valvule, les bras servant à maintenir une forme d'implant de la valvule. Le support peut comporter six bras dont un est relié libérable à chaque valve et un autre est relié libérable à chaque commissure. L'invention concerne aussi un procédé pour implanter la valvule souple au moyen du support.
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